Henk Boom wrote:
> 2009/1/17 Jos Koot <jos.koot at telefonica.net>:
>> Is that a quation or just a nice gesture?
>> Jos
>> The latter. I had fun coming up with it and figuring out why it did
> what it did, and I thought maybe other people would as well. =)
Now you are warm, try Eugene Kohlbecker's mind-bender called
Mondo Bizarro. It is a Scheme classic.
;;; Mondo Bizarro
; What does the following program print?
; Why?
(define program (lambda ()
(let ((y (call-with-current-continuation (lambda (c) c))))
(display 1)
(call-with-current-continuation (lambda (c) (y c)))
(display 2)
(call-with-current-continuation (lambda (c) (y c)))
(display 3))))
(program)
--
Jens Axel Søgaard